#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main() 
{
	float a, b, c, t;
	scanf("%f,%f,%f", &a, &b, &c);
	if (a > b)
	{
		t = a; a = b; b = t;
	}
	if (a > c)
	{
		t = a; a = c; c = t;
	}
	if (b > c)
	{
		t = b; b = c; c = t;
	}
	printf("%5.2f,%5.2f,%5.2f\n", a, b, c);
	return 0;
}